Home / 1,359,438.88-2,039,026.30-412,817.80

Finding the Fourth Proportional to 1,359,438.88, 2,039,026.30 and 412,817.80

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Solution

The fourth proportional to 1,359,438.88, 2,039,026.30 and 412,817.80 is: 619,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,438.88 : 2,039,026.30 = 412,817.80 : x
  2. Step 2: Convert to fraction form
    1,359,438.88/2,039,026.30 = 412,817.80/x
  3. Step 3: Cross multiply
    1,359,438.88x = 2,039,026.30 × 412,817.80
  4. Step 4: Simplify right side
    1,359,438.88x = 841,746,351,308.14
  5. Step 5: Solve for x
    x = 841,746,351,308.14/1,359,438.88
  6. Step 6: Final answer
    x = 619,186.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.